<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>注册</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> <form action="do.jsp" method="post"> 用户名:<input type="text" name="uname"/><br> 密 码:<input type="password" name="upwd"/><br> <input type="submit" value="注册"> </form> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>登录</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <script type="text/javascript"> function mycheck() { //判断验证码是否为空 if (form1.validationCode.value==""){ alert("验证码不能为空,请输入验证码!"); form1.validationCode.focus(); return; } //判断验证码是否正确 if (form1.validationCode.value != form1.validationCode1.value) { alert("请输入正确的验证码!!"); form1.validationCode.focus(); return; } form1.submit1(); } </script> <body> <form action="logincheck.jsp" name="form1" method="post"> 用户名:<input type="text" name="userName" size="18"><br> 密 码:<input type="password" name="password" size="19"><br> 验证码:<input type="text" name="validationCode" onKeyDown="if(event.keyCode==13){form1.submit.focus();}"size="4"> <% int intmethod1=(int)((((Math.random())*5))+1); int intmethod2=(int)((((Math.random())*5))+1); int intmethod3=(int)((((Math.random())*5))+1); int intmethod4=(int)((((Math.random())*5))+1); String intsum=intmethod1+""+intmethod2+intmethod3+intmethod4; %> <input type="hidden" name="validationCode1" value="<%=intsum%>"> <img style="height:20px;weight:20px" src="images/<%=intmethod1 %>.png"> <img style="height:20px;weight:20px" src="images/<%=intmethod2 %>.png"> <img style="height:20px;weight:20px" src="images/<%=intmethod3 %>.png"> <img style="height:20px;weight:20px" src="images/<%=intmethod4 %>.png"> <br> <input type="submit" value="登录"> <a href="register.jsp">注册</a> </form> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@page import="com.gd.entity.Users"%> <%@page import="com.gd.entity.Msg"%> <%@page import="com.gd.dao.MsgDao"%> <%@page import="com.gd.dao.UsersDao"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>登录</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> <% request.setCharacterEncoding("UTF-8"); Users a=new Users(); String uname = request.getParameter("uname"); String upwd = request.getParameter("upwd"); String email = request.getParameter("uemail"); a.setUsername(uname); a.setPassword(upwd); a.setEmail(email); UsersDao as=new UsersDao(); as.addUsers(a); request.getRequestDispatcher("index.jsp").forward(request, response); %> </body> </html>
<%@page import="com.gd.entity.Users"%> <%@page import="com.gd.dao.UsersDao"%> <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% request.setCharacterEncoding(UTF-8"); String uname = request.getParameter("uname"); String upwd = request.getParameter("upwd"); UsersDao ud = new UsersDao(); if(request.getParameter("validationCode1").equals(request.getParameter("validationCode"))) { if (ud.login(uname, upwd)){ //登录成功,创建User对象,并放入session Users u=new Users(); u.setUsername(uname); u.setPassword(upwd); session.setAttribute("user", u); request.getRequestDispatcher("main.jsp").forward(request, response); } else{ response.sendRedirect("index.jsp"); } } else{ response.sendRedirect("index.jsp"); } %>